Sanitary heat preservation cover of chain type dish passing machine and automatic cover opening and closing mechanism

Abstract

The utility model relates to a sanitary heat preservation cover of a chain type dish passing machine and an automatic cover opening and closing mechanism, the sanitary heat preservation cover comprises a tray frame, a heat preservation upper cover and a heat preservation lower cover, and the heat preservation upper cover and the heat preservation lower cover are both located on the tray frame. The side part of the rear end of the upper heat-insulating cover is provided with an arm plate extending towards the lower heat-insulating cover, the arm plate is rotationally connected to a pin shaft corresponding to the side part of the lower heat-insulating cover, and the upper heat-insulating cover can be turned over around the pin shaft to be opened; when the upper heat preservation cover is not opened, a sealed heat preservation space used for containing dishes is formed among the upper heat preservation cover, the lower heat preservation cover and the tray frame. The heat preservation cover has the functions of cover opening and cover closing, sanitation can be guaranteed in the process that dishes are placed in the heat preservation cover and conveyed, the heat preservation effect is achieved, and the good taste of hot dishes is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of food conveyors, and particularly relates to a sanitary heat preservation cover and an automatic opening and closing mechanism for a chain-type food conveyor. Background Art

[0002] In the prior art, the trays for placing dishes on a chain-type food conveyor are all open. Since there is no lid that can play a role in hermetically insulating the dishes conveyed on the chain-type food conveyor, the dishes running in a conveying shaft with a chimney effect will quickly cool down, and because the dishes are exposed in the conveying channel, it is also unhygienic. Summary of the Invention

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a sanitary heat preservation cover and an automatic opening and closing mechanism for a chain-type food conveyor.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A sanitary heat preservation cover for a chain-type food conveyor includes a tray rack, a heat preservation upper cover and a heat preservation lower cover both located on the tray rack. The heat preservation lower cover is detachably fixed on the tray rack. An arm plate extending towards the heat preservation lower cover is provided at the rear side of the heat preservation upper cover. The arm plate is rotatably connected to a corresponding pin shaft on the side of the heat preservation lower cover, and the heat preservation upper cover can be turned over and opened around the pin shaft. When the heat preservation upper cover is not opened, a sealed heat preservation space for placing dishes is formed among the heat preservation upper cover, the heat preservation lower cover and the tray rack.

[0006] Further, a buckle is provided on the tray rack corresponding to the bottom edge of the heat preservation lower cover, and the heat preservation lower cover is detachably fixed to the tray rack through the buckle.

[0007] Further, the arm plate and the pin shaft are connected through a bearing.

[0008] Further, a limiting part is provided at the end of the arm plate. When the heat preservation upper cover is turned upwards to 90°, the limiting part catches the bottom edge of the heat preservation lower cover to limit the further turning of the heat preservation upper cover.

[0009] Further, an opening and closing cover guiding rolling member is rotatably connected to one side or both sides of the front end of the heat preservation upper cover.

[0010] An automatic opening mechanism is used to open the above-mentioned sanitary heat preservation cover; the automatic opening mechanism includes an opening fixed frame fixed on the frame of the food conveyor;

[0011] A guiding inclined plane rail corresponding to the opening and closing cover guiding rolling member on the side of the heat preservation upper cover is provided on the side of the opening fixed frame. During the forward transmission of the tray rack, the opening and closing cover guiding rolling member moves upwards along the guiding inclined plane rail to drive the heat preservation upper cover to open.

[0012] An automatic lid-closing mechanism is used to close the above-mentioned sanitary heat-insulating lid; the automatic lid-closing mechanism includes a lid-closing fixed frame, and the lid-closing fixed frame is fixed on the frame of the food conveyor.

[0013] A touch mechanism is provided at the upper end of the side surface of the lid-closing fixed frame. During the forward transmission of the tray rack, the opening and closing lid guiding rolling member contacts the touch mechanism and is blocked, thereby driving the upper heat-insulating lid to close.

[0014] With the above technical solutions adopted by the present utility model, the heat-insulating lid has the functions of opening and closing the lid. During the process of the dishes being conveyed in the heat-insulating lid, the hygiene can be guaranteed, and at the same time, there is a heat-insulating effect, ensuring the good taste of the hot dishes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The following further describes the present utility model in detail with reference to the drawings and specific embodiments:

[0016] Figure 1 It is a front view of the closed state of the sanitary heat-insulating lid of the present utility model;

[0017] Figure 2 It is a front view of the open state (opened 90 degrees) of the sanitary heat-insulating lid of the present utility model;

[0018] Figure 3 It is a front view of the automatic lid-opening mechanism of the present utility model;

[0019] Figure 4 It is a side view of the automatic lid-closing mechanism of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] As Figure 1-2 shown, a sanitary heat-insulating lid of a chain-type food conveyor of the present utility model includes a tray rack 1, and a upper heat-insulating lid 2 and a lower heat-insulating lid 3 both located on the tray rack 1. The lower heat-insulating lid 3 is detachably fixed on the tray rack 1. An arm plate 21 extending towards the lower heat-insulating lid 3 is provided at the rear end side of the upper heat-insulating lid 2 (preferably, arm plates 21 are designed on both sides of the rear end of the upper heat-insulating lid 2). The arm plate 21 is rotatably connected to a corresponding pin shaft 31 on the side of the lower heat-insulating lid 3, and the upper heat-insulating lid 2 can be turned over and opened around the pin shaft 31; when the upper heat-insulating lid 2 is not opened, a sealed heat-insulating space for placing dishes is formed among the upper heat-insulating lid 2, the lower heat-insulating lid 3 and the tray rack 1.

[0021] A buckle 4 is provided on the tray rack 1 corresponding to the bottom edge of the lower heat-insulating lid 3, and the lower heat-insulating lid 3 is detachably fixed to the tray rack 1 through the buckle 4.

[0022] The arm plate 21 on the side of the heat preservation upper cover 2 is connected to the pin shaft 31 through a bearing 5. Such a design can improve the smoothness and stability during the flipping process of the heat preservation upper cover 2. To prevent the heat preservation upper cover 2 from flipping open excessively, a limiting part 22 is provided at the end of the arm plate 21. When the heat preservation upper cover 2 is flipped upward to 90°, the limiting part 22 catches the bottom edge of the heat preservation lower cover 3 to limit the further flipping of the heat preservation upper cover 2.

[0023] When the dishes need to be put in or taken out, open the heat preservation upper cover 2. After the dishes are put in, close the heat preservation upper cover 2. Opening and closing the cover can be manually operated or achieved through a mechanism installed on the food conveyor.

[0024] To achieve automatic opening and closing of the cover, a cover opening and closing guiding rolling part 8 (which can be a bearing) is rotatably connected to the front end of the heat preservation upper cover 2 of the present utility model. The cover opening and closing guiding rolling part 8 can be designed on the left side of the heat preservation upper cover 2, or on the right side of the heat preservation upper cover 2, or on both sides of the heat preservation upper cover 2.

[0025] As Figure 3 shown, the automatic cover opening mechanism 6 includes an opening fixed frame 61, and the opening fixed frame 61 is fixed on the frame of the food conveyor. A guiding inclined plane rail 62 is provided on the side of the opening fixed frame 61 corresponding to the cover opening and closing guiding rolling part 8 on the side of the heat preservation upper cover 2. When the tray rack 1 is being conveyed forward (when it is about to reach the appropriate position in the horizontal running section of the operation position for putting in and taking out the dishes), when the cover opening and closing guiding rolling part 8 on the closed heat preservation upper cover 2 moves upward along the guiding inclined plane rail 62, the heat preservation upper cover 2 is guided by the guiding inclined plane rail 62 to open.

[0026] As Figure 4 shown, the automatic cover closing mechanism 7 includes a closing fixed frame 71, and the closing fixed frame 71 is fixed on the frame of the food conveyor. A touching mechanism 72 is provided at the upper end of the side of the closing fixed frame 71. When the tray rack 1 is being conveyed forward (when the dishes have been put in or taken out and the tray rack 1 is running at the appropriate position in the horizontal running section), the cover opening and closing guiding rolling part 8 contacts the touching mechanism 72 and is blocked, thereby driving the heat preservation upper cover 2 to close. To avoid the closing sound caused by suddenly closing, an inclined downward supporting rail 73 is provided below the touching mechanism 72. Specifically, the cover opening and closing guiding rolling part 8 is introduced from the upper end of the touching mechanism 72 and then rolls along the supporting rail 73, so as to slowly close the heat preservation upper cover 2.

[0027] The specific implementation manners of the present utility model have been described above. However, those skilled in the art should understand that this is only an example. Without departing from the principle and essence of the present utility model, those skilled in the art can make various changes or modifications to this implementation manner, but these changes and modifications all fall within the protection scope of the present utility model.

Claims

1. A sanitary heat-insulating cover for a chain-type food delivery machine, characterized in that: It includes a tray rack and an insulation upper cover and an insulation lower cover both located on the tray rack, the insulation lower cover is detachably fixed on the tray rack, the rear end side of the insulation upper cover is provided with an arm plate extending toward the insulation lower cover, the arm plate is rotatably connected to a pin shaft corresponding to the side of the insulation lower cover, and the insulation upper cover can be flipped open around the pin shaft; when the insulation upper cover is not opened, a sealed insulation space for placing dishes is formed between the insulation upper cover, the insulation lower cover and the tray rack.

2. The sanitary heat-insulating cover of the chain-type food delivery machine according to claim 1, characterized in that: A buckle is provided on the tray frame corresponding to the bottom edge of the thermal insulation lower cover, and the thermal insulation lower cover and the tray frame are detachably fixed by the buckle.

3. The sanitary heat-insulating cover of the chain-type food delivery machine according to claim 1, characterized in that: The arm plate is connected to the pin shaft via a bearing.

4. The sanitary heat-insulating cover of the chain-type food delivery machine according to claim 1, characterized in that: A limiting portion is provided at the end of the arm plate. When the thermal insulation upper cover is turned upward to 90 degrees, the limiting portion clamps the bottom edge of the thermal insulation lower cover to limit the thermal insulation upper cover from further turning.

5. The sanitary heat-insulating cover of the chain-type food delivery machine according to claim 1, characterized in that: One side or both sides of the front end of the heat-insulating upper cover are rotatably connected with an opening and closing cover guiding rolling piece.

6. An automatic cover opening mechanism, used to open the sanitary heat-insulating cover according to claim 5; characterized in that: The automatic cover opening mechanism comprises a cover opening fixing frame, and the cover opening fixing frame is fixed on the frame of the food delivery machine; The side of the cover opening fixing frame is provided with a guide inclined rail corresponding to the opening and closing cover guide roller on the side of the insulation upper cover. During the forward transmission of the tray frame, the opening and closing cover guide roller moves upward along the guide inclined rail to drive the insulation upper cover to open.

7. An automatic cover closing mechanism, used for closing the sanitary heat-insulating cover according to claim 5; characterized in that: The automatic cover closing mechanism comprises a cover closing fixing frame, and the cover closing fixing frame is fixed on the frame of the food delivery machine; A touch mechanism is provided at the upper end of the side surface of the cover closing fixing frame. During the forward transmission of the tray frame, the cover opening and closing guiding rolling element contacts the touch mechanism and is blocked, thereby driving the heat-insulating upper cover to close.

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